N-(4-amino-2-((2-(benzylamino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)-3,4-dimethoxybenzamide

3-{[5-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-2-hydroxypropanoic acid

4-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-difluorobutanamido]cyclohexane-1-carboxylic acid

2-ethyl-3-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,2-oxazole-3-carbonyl]-1,3-thiazolidine-4-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]-4,4,4-trifluorobutanoic acid

2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]-4,4,4-trifluorobutanoic acid

2-[3-ethoxy-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-4,4-difluorobutanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methoxy-N-methylpentanamido]-2-methylpropanoic acid

3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)-N-methylbutanamido]-2-methylpropanoic acid

2-Cyclohexyl-4-methylpiperidin-3-amine

2-(6-Cyclohexylpiperidin-3-yl)ethan-1-amine